# What is CVE-2019-10936? > CVE-2019-10936 is a high-severity flaw (CVSS 7.5) in Dk Standard Ethernet Controller Firmware from Siemens, published on 10 October 2019. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 2.1%. If you run an affected version, plan in the vendor’s fix. Canonical page: https://www.precursorintelligence.com/what-is/cve-2019-10936 ## At a glance - **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle. - **Precursor Intelligence risk score:** 46 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes. - **Severity:** High (CVSS 7.5 out of 10) - **Known to be exploited:** No, not on the list of flaws known to be exploited today - **Chance of use in the next 30 days:** 2.1% (latest exploit-likelihood forecast) - **Published:** 10 October 2019 - **Record last updated:** 9 July 2024 - **Main product:** Dk Standard Ethernet Controller Firmware from Siemens - **Affected products:** 130 ## What is CVE-2019-10936? In plain terms It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline. ### The official description Affected devices improperly handle large amounts of specially crafted UDP packets. This could allow an unauthenticated remote attacker to trigger a denial of service condition. ### What kind of flaw is it? - CWE-400: Uncontrolled Resource Consumption ### How an attack on it works - Where an attacker can be: Anywhere on the internet - How hard it is to pull off: Easy: no special conditions - Login needed first: No login needed - Does someone have to click: No, nobody has to do anything - What an attacker gets: Can take it offline Severity vector: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H` ## Is CVE-2019-10936 being exploited? Not that we know of It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 2.1%. That can change at any time, which is why we keep watching. Exploit likelihood over the last 7 days: 2.1%, 2.1%, 2.1%, 2.1%, 2.1%, 2.1%, 2.1%. ### Timeline - 10 October 2019: Published - 9 July 2024: Record last updated ### How Precursor Intelligence ranks it CVE-2019-10936 scores **46 out of 100 (Medium)**, with the action "Plan remediation". Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less: - Evidence it is being exploited: biggest factor - How severe it is: strong factor - How widely exposed it is: smaller factor - Threat activity around it: smaller factor 85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it. ## Who is affected by CVE-2019-10936? The published record lists 130 products. Versions are as published: "before 4.8" means every version up to, but not including, 4.8. - [Dk Standard Ethernet Controller Firmware](https://www.precursorintelligence.com/product/siemens/dk_standard_ethernet_controller_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Sinumerik 828d](https://www.precursorintelligence.com/product/siemens/sinumerik_828d) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Application): before 4.8, 4.8, 4.8-sp1, 4.8-sp2, 4.8-sp3, 4.8-sp4 - [Ek-Ertec 200p Firmware](https://www.precursorintelligence.com/product/siemens/ek-ertec_200p_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.6, 4.6 - Simatic Winac Rtx (f) Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2010, 2010 - [Sinamics Dcm Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_dcm_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 1.5, 1.5 - [Sinamics G110m Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_g110m_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.7, 4.7 - [Sinamics G120 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_g120_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.7, 4.7 - [Sinamics G130 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_g130_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2, 5.2 - [Sinamics G150 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_g150_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2, 5.2 - [Sinamics Gl150 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_gl150_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.8, 4.8 - [Sinamics Gm150 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_gm150_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.8, 4.8 - [Sinamics S120 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_s120_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2, 5.2 - [Sinamics S150 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_s150_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 5.2, 5.2 - [Sinamics Sl150 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_sl150_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.7, 4.7 - [Dk Standard Ethernet Controller](https://www.precursorintelligence.com/product/siemens/dk_standard_ethernet_controller) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Ek-Ertec 200](https://www.precursorintelligence.com/product/siemens/ek-ertec_200) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Ek-Ertec 200 Firmware](https://www.precursorintelligence.com/product/siemens/ek-ertec_200_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Ek-Ertec 200p](https://www.precursorintelligence.com/product/siemens/ek-ertec_200p) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Cfu Pa](https://www.precursorintelligence.com/product/siemens/simatic_cfu_pa) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Cfu Pa Firmware](https://www.precursorintelligence.com/product/siemens/simatic_cfu_pa_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 1.2.0 - [Simatic Et 200al](https://www.precursorintelligence.com/product/siemens/simatic_et_200al) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200al Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200al_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200ecopn](https://www.precursorintelligence.com/product/siemens/simatic_et_200ecopn) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200ecopn Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200ecopn_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200m](https://www.precursorintelligence.com/product/siemens/simatic_et_200m) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200m Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200m_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200mp Im 155-5 Pn Ba](https://www.precursorintelligence.com/product/siemens/simatic_et_200mp_im_155-5_pn_ba) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200mp Im 155-5 Pn Ba Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200mp_im_155-5_pn_ba_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.3.0 - [Simatic Et 200mp Im 155-5 Pn Hf](https://www.precursorintelligence.com/product/siemens/simatic_et_200mp_im_155-5_pn_hf) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200mp Im 155-5 Pn Hf Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200mp_im_155-5_pn_hf_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.4.0 - [Simatic Et 200mp Im 155-5 Pn St](https://www.precursorintelligence.com/product/siemens/simatic_et_200mp_im_155-5_pn_st) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200mp Im 155-5 Pn St Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200mp_im_155-5_pn_st_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200pro](https://www.precursorintelligence.com/product/siemens/simatic_et_200pro) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200pro Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200pro_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200s](https://www.precursorintelligence.com/product/siemens/simatic_et_200s) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200s Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200s_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200sp Im 155-6 Pn Ba](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_ba) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200sp Im 155-6 Pn Ba Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_ba_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200sp Im 155-6 Pn Ha](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_ha) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200sp Im 155-6 Pn Ha Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_ha_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200sp Im 155-6 Pn Hf](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_hf) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200sp Im 155-6 Pn Hf Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_hf_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.2.2 - [Simatic Et 200sp Im 155-6 Pn Hs](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_hs) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200sp Im 155-6 Pn Hs Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_hs_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic Et 200sp Im 155-6 Pn St](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_st) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Et 200sp Im 155-6 Pn St Firmware](https://www.precursorintelligence.com/product/siemens/simatic_et_200sp_im_155-6_pn_st_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - Simatic Et 200sp Im 155-6 Pn/2 Hf by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic Et 200sp Im 155-6 Pn/2 Hf Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.2.2 - Simatic Et 200sp Im 155-6 Pn/3 Hf by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic Et 200sp Im 155-6 Pn/3 Hf Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.2.1 - Simatic HMI Comfort Outdoor Panels 15" by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic HMI Comfort Outdoor Panels 15" Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - Simatic HMI Comfort Outdoor Panels 7" by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic HMI Comfort Outdoor Panels 7" Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - Simatic HMI Comfort Panels 22" by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic HMI Comfort Panels 22" Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - Simatic HMI Comfort Panels 4" by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic HMI Comfort Panels 4" Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic HMI Ktp Mobile Panels](https://www.precursorintelligence.com/product/siemens/simatic_hmi_ktp_mobile_panels) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic HMI Ktp Mobile Panels Firmware](https://www.precursorintelligence.com/product/siemens/simatic_hmi_ktp_mobile_panels_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - Simatic Pn/pn Coupler by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - Simatic Pn/pn Coupler Firmware by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.2.1 - [Simatic Profinet Driver](https://www.precursorintelligence.com/product/siemens/simatic_profinet_driver) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic Profinet Driver Firmware](https://www.precursorintelligence.com/product/siemens/simatic_profinet_driver_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.1 - [Simatic S7-1200 CPU](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1200 CPU 1211c](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_1211c) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1200 CPU 1211c Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_1211c_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.4.0 - [Simatic S7-1200 CPU 1212c](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_1212c) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1200 CPU 1212c Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_1212c_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.4.0 - [Simatic S7-1200 CPU 1214c](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_1214c) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1200 CPU 1214c Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_1214c_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.4.0 - [Simatic S7-1200 CPU Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1200_cpu_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 4.4.0 - [Simatic S7-1500 CPU](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1500 CPU 1511c](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_1511c) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1500 CPU 1511c Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_1511c_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.0 - [Simatic S7-1500 CPU 1512c](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_1512c) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1500 CPU 1512c Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_1512c_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.0 - [Simatic S7-1500 CPU 1518](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_1518) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1500 CPU 1518 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_1518_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.0 - [Simatic S7-1500 CPU Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500_cpu_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.0 - [Simatic S7-1500s CPU](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500s_cpu) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1500s CPU Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500s_cpu_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.0 - [Simatic S7-1500t CPU](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500t_cpu) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-1500t CPU Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-1500t_cpu_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 2.0 - [Simatic S7-300 CPU](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 312 Ifm](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_312_ifm) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 312 Ifm Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_312_ifm_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 313](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_313) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 313 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_313_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 314](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_314) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 314 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_314_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 314 Ifm](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_314_ifm) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 314 Ifm Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_314_ifm_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 315](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_315) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 315 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_315_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 315-2 Dp](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_315-2_dp) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 315-2 Dp Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_315-2_dp_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 316-2 Dp](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_316-2_dp) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 316-2 Dp Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_316-2_dp_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU 318-2](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_318-2) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-300 CPU 318-2 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_318-2_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-300 CPU Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-300_cpu_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 3.3.17 - [Simatic S7-400 Dp V7](https://www.precursorintelligence.com/product/siemens/simatic_s7-400_dp_v7) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-400 Dp V7 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-400_dp_v7_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic S7-400 Pn V7](https://www.precursorintelligence.com/product/siemens/simatic_s7-400_pn_v7) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-400 Pn V7 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-400_pn_v7_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Simatic S7-400 V6](https://www.precursorintelligence.com/product/siemens/simatic_s7-400_v6) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-400 V6 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-400_v6_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 6.0.9 - [Simatic S7-400h V6](https://www.precursorintelligence.com/product/siemens/simatic_s7-400h_v6) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-400h V6 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-400h_v6_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 6.0.9 - [Simatic S7-410 V8](https://www.precursorintelligence.com/product/siemens/simatic_s7-410_v8) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Simatic S7-410 V8 Firmware](https://www.precursorintelligence.com/product/siemens/simatic_s7-410_v8_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 8.2.2 - Simatic Winac Rtx (f) 2010 by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Dcm](https://www.precursorintelligence.com/product/siemens/sinamics_dcm) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Dcp](https://www.precursorintelligence.com/product/siemens/sinamics_dcp) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Dcp Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_dcp_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): before 1.3 - [Sinamics G110m](https://www.precursorintelligence.com/product/siemens/sinamics_g110m) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics G120](https://www.precursorintelligence.com/product/siemens/sinamics_g120) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics G130](https://www.precursorintelligence.com/product/siemens/sinamics_g130) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics G150](https://www.precursorintelligence.com/product/siemens/sinamics_g150) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Gl150](https://www.precursorintelligence.com/product/siemens/sinamics_gl150) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Gm150](https://www.precursorintelligence.com/product/siemens/sinamics_gm150) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics S110](https://www.precursorintelligence.com/product/siemens/sinamics_s110) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics S110 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_s110_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): all versions - [Sinamics S120](https://www.precursorintelligence.com/product/siemens/sinamics_s120) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics S150](https://www.precursorintelligence.com/product/siemens/sinamics_s150) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Sl150](https://www.precursorintelligence.com/product/siemens/sinamics_sl150) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Sm120](https://www.precursorintelligence.com/product/siemens/sinamics_sm120) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Hardware): version not specified - [Sinamics Sm120 Firmware](https://www.precursorintelligence.com/product/siemens/sinamics_sm120_firmware) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Operating system): version not specified - [Sinumerik 840d Sl](https://www.precursorintelligence.com/product/siemens/sinumerik_840d_sl) by [Siemens](https://www.precursorintelligence.com/vendors/siemens) (Application): all versions ## How do I fix CVE-2019-10936? 1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list. 2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list. 3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in. 4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood. ### References - [cert-portal.siemens.com](https://cert-portal.siemens.com/productcert/pdf/ssa-473245.pdf) (Vendor advisory) - [cert-portal.siemens.com](https://cert-portal.siemens.com/productcert/html/ssa-473245.html) ## Questions ### What is CVE-2019-10936? CVE-2019-10936 is a high-severity flaw in Dk Standard Ethernet Controller Firmware from Siemens, published on 10 October 2019. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline. ### How serious is CVE-2019-10936? It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2019-10936 is 46 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle. ### Is CVE-2019-10936 being exploited? It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 2.1%. That can change at any time, which is why we keep watching. ### Which versions does CVE-2019-10936 affect? For Dk Standard Ethernet Controller Firmware from Siemens: all versions. The record lists 130 products in all, each with its versions, under "Who is affected" on this page. ### How do I fix CVE-2019-10936? Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet. ## Does CVE-2019-10936 affect you? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact